Research Article

Efficiency Improvement of Three-Phase Cascaded H-Bridge Multilevel Inverters for Photovoltaic Systems

Table 1

Parameters used in the simulation model.

PV panel open circuit voltage 38 V
PV panel short circuit current 9.1 A
PV panel maximum power voltage 30 V
PV panel maximum power current 8.3 A
PV panel nominal output power 250 W
Number of cells per phase 4
DC capacitor 3,300 μF
AC inductor 1 mH
Grid voltage 122.5 
Grid frequency 50 Hz
System power rating 3 kW
PWM carrier frequency 2 kHz
Output switching frequency 16 kHz